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Table 6 Beta regression results for model 5: EQ-5D-3L based disutility values on QLQ-C30 domain scores

From: Evaluation of the performance of algorithms mapping EORTC QLQ-C30 onto the EQ-5D index in a metastatic colorectal cancer cost-effectiveness model

Variable

Coefficient (SD)

t-value

p-value

95% CI

Constant

2.081 (0.210)

9.898

< 0.001

[1.669,2.493]

Global health

−0.004 (0.002)

−1.892

0.058

[−0.007,0]

Physical functioning

−0.018 (0.002)

−8.269

< 0.001

[−0.022,-0.014]

Role functioning

−0.010 (0.002)

−6.125

< 0.001

[−0.013,-0.007]

Emotional functioning

−0.015 (0.002)

−8.479

< 0.001

[−0.019,-0.012]

Cognitive functioning

−0.005 (0.002)

−3.063

0.002

[−0.009,-0.002]

Symptom scale: pain

0.014 (0.001)

9.939

< 0.001

[0.011,0.017]

Symptom scale: insomnia

0.005 (0.001)

4.119

< 0.001

[0.002,0.007]

Symptom scale: financial

0.007 (0.001)

4.448

< 0.001

[0.004,0.009]

  1. Symptom scale nausea and vomiting was removed as non-logical coefficient
  2. p-values result from a t-test